Advertisements
Advertisements
Question
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
Solution
(a) Potential energy
(b) Potential energy
(c) Kinetic energy
(d) Potential energy
(e) Kinetic energy
APPEARS IN
RELATED QUESTIONS
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
What do you understand by mechanical energy?
State two advantages and two disadvantages of using hydro-energy for producing electricity.
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
State the energy changes which take place when:
Food is digested by animals.
Give one example when:
Electric energy changes to mechanical energy.
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.